ED50: <25 ng/ml, as determined by TF-1 cell proliferation, corresponding to a specific activity of >4.0 x 10^4 U/mg.
Purity
>95% as determined by SDS-PAGE.
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from a solution containing 0.1% TFA.
Storage
Shipped at ambient temperature. Lyophilized: Short term (3 weeks) store at 25°C. Long term store desiccated below -18°C. Reconstituted: Short term (2-7 days) store at 4°C. Long term store below -18°C. Avoid freeze/thaw cycles.